For long days spent cruising through snow-covered woods there's the Smartwool PhD Nordic Light Elite Sock. Offering comfort and performance for your most hardworking Nordic escapes, this sock features Smartwool's Light Elite cushioning, which delivers an added dose of underfoot comfort while staying super light on weight and bulk. To keep up with your blistering speeds you've got mesh ventilation zones that keep your feet from overheating, while the super durable yet stretchy construction ensures a comfortable fit that won't breakdown. You've got all of that with the natural temperature regulation, next-to-skin comfort, and anti-odor properties of merino wool, making this sock a trusty go-to for the serious Nordic explorer.